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The height of a chimney when it is found...

The height of a chimney when it is found that, on walking towards it 50 m in a bizontal line through its base, the angle of elevation of its kop changes from` 30^(@)` to `45^(@)` is:

A

`69-04m`

B

`59-04 m`

C

`49.04 m`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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